-46.12% is the change from 850 to 458
Calculation steps:
[( 458 - 850 ) ÷ 850] x 100 = -46.12%
Formula
Percentage change = [(458 - 850) / 850] x 100
Subtract the new number by the original number
458 - 850 = -392
-392 ÷ 850 = -0.4611764705882353
-0.4611764705882353 x 100 = -46.12%